;PPI configuration

PortA 	EQU	   80H ;Address of port A
PortB   EQU    81H ;Address of port B
PortC   EQU    82H ;Address of port C
CWR     EQU    83H ;Address of CWR

;Set all ports as output

config_CWR EQU 88H  ;port A, port B and port C(lower) as output and port C(upper) as input

